Cita APA (7a ed.)

Chadwick, O. (1981). The Popes and European Revolution. Clarendon Press.

Cita Chicago Style (17a ed.)

Chadwick, Owen. The Popes and European Revolution. Oxford: Clarendon Press, 1981.

Cita MLA (9a ed.)

Chadwick, Owen. The Popes and European Revolution. Clarendon Press, 1981.